The Hypertech Speedometer Calibrator quickly plugs into your OBD-II port or hooks up to your instrument cluster. By calibrating to your tires and gears it maintains proper function of your odometer and speedometer. This means no speeding tickets caused by false readings and no improper mileage counts to hurt your resale value. The Hypertech Speedometer Calibrator also reads and lets you clear diagnostic trouble codes (not including the In-Line Module).

Both the Hypertech Speedometer Calibrator and the In-Line Calibrator Module include a USB cable, as well as software to let you update the unit via the Internet for up-to-date performance. Backed with a Lifetime Warranty.